S53.43
⚠ Non-billable (Header)Radial collateral ligament sprain
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inheritedRules inherited from parent codes.
Child Codes (3)
Clinical Description
ICD-10-CM code S53.43 represents radial collateral ligament sprain. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 6-character code at the 5th level of specificity. There are 3 more specific child codes under S53.43.
Frequently Asked Questions
What is ICD-10 code S53.43?
ICD-10-CM code S53.43 is "Radial collateral ligament sprain". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is S53.43 a billable ICD-10 code?
No, S53.43 is a non-billable header code. A more specific child code must be used for billing.
Can S53.43 be coded with other codes?
S53.43 has 3 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in S53.4
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)